| Competition | City | Date | Roles |
|---|
| 1 | Chu-Shikoku-Kyushu Regional Championships 2022 | Okayama | 2022-09-30 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 2 | Chu-Shikoku-Kyushu Regional Championships 2021 | Fukuoka | 2021-09-23 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
| 3 | Chu-Shikoku-Kyushu Regional Championships 2020 | Okayama | 2020-09-25 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice girls, Intermediate novice boys) |
| 4 | Chu-Shikoku-Kyushu Regional Championships 2019 | Fukuoka | 2019-09-26 | Judge (Senior men, Junior men, Advanced novice girls, Intermediate novice boys, Intermediate novice girls) |
| 5 | Shu-Shikoku-Kyushu Regional Championships 2017 | Fukuoka | 2017-10-06 | Judge (Senior ladies, Junior ladies, Advanced novice boys) |
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